Pre-fab insulated dog house



FIG. 1 is a front elevational view of the pre-fab insulated dog houseshowing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The ornamental design for a pre-fab insulated dog house, as shown anddescribed.